Deutsch Terminal tools are a must for electrical work. Duetsch terminal are found in HD applications. Sold in a convenient 3 pack. Pick the tool size you need. Deutsch terminals are quickly becoming very popular Instead of cluttering your toolbox with unused sizes of Deutsch Tools, now you can buy just the sizes you need. Tools fit Deutsch HD10, HD20 and HD30 Series connectors plus Deutsch Jiffy Splices. Deutsch wire terminals have a special security collar that the connector tabs lock against. Tools are designed to slide over the wire in the rear of the connector to release the locking tabs. Deutsch terminals and connectors are found on Chrysler, GM, AGCO, John Deere, Case, Bobcat, Caterpillar, Harley Davidson, Mercury outboards, Kenworth, Peterbilt, White and other HD applications.